books.google.es - Kosovo, after its incorporation into the Serbian Republic of Yugoslavia, became increasingly restive during the 1990s as Yugoslavia plunged into internal war and Kosovo's ethnic Albanian residents (Kosovars) sought autonomy. In March 1999, NATO forces began airstrikes against targets in Kosovo and Serbia...https://books.google.es/books/about/Liberating_Kosovo.html?hl=es&id=X5sa90AEvi0C&q=%22republic+of+kosova%22&utm_source=gb-gplus-shareLiberating Kosovo